26452737506 has 48 divisors (see below), whose sum is σ = 45877461696. Its totient is φ = 11406403008.

The previous prime is 26452737473. The next prime is 26452737539. The reversal of 26452737506 is 60573725462.

It is an interprime number because it is at equal distance from previous prime (26452737473) and next prime (26452737539).

It is a super-2 number, since 2×26452737506² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294716 + ... + 373848.

It is an arithmetic number, because the mean of its divisors is an integer number (955780452).

Almost surely, 2^26452737506 is an apocalyptic number.

26452737506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26452737506 is a deficient number, since it is larger than the sum of its proper divisors (19424724190).

26452737506 is a wasteful number, since it uses less digits than its factorization.

26452737506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79227 (or 79214 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 26452737506 in words is "twenty-six billion, four hundred fifty-two million, seven hundred thirty-seven thousand, five hundred six".